Finding the Fourth Proportional to 43,002,338.21, 64,178,629.76 and 40,086,592.96

Step by Step Solution

1. Step 1: Write the proportion equation
   43,002,338.21 : 64,178,629.76 = 40,086,592.96 : x
2. Step 2: Convert to fraction form
   43,002,338.21/64,178,629.76 = 40,086,592.96/x
3. Step 3: Cross multiply
   43,002,338.21x = 64,178,629.76 × 40,086,592.96
4. Step 4: Simplify right side
   43,002,338.21x = 2,572,702,607,719,229.50
5. Step 5: Solve for x
   x = 2,572,702,607,719,229.50/43,002,338.21
6. Step 6: Final answer
   x = 59,827,039.99