Finding the Fourth Proportional to 2,309,046,090.99, 3,186,508,686.10 and 1,356,466,978.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309,046,090.99 : 3,186,508,686.10 = 1,356,466,978.08 : x
2. Step 2: Convert to fraction form
   2,309,046,090.99/3,186,508,686.10 = 1,356,466,978.08/x
3. Step 3: Cross multiply
   2,309,046,090.99x = 3,186,508,686.10 × 1,356,466,978.08
4. Step 4: Simplify right side
   2,309,046,090.99x = 4,322,393,808,059,738,112
5. Step 5: Solve for x
   x = 4,322,393,808,059,738,112/2,309,046,090.99
6. Step 6: Final answer
   x = 1,871,939,163.50