Finding the Fourth Proportional to 55,621,128.70, 76,757,322.94 and 30,843,061.13

Step by Step Solution

1. Step 1: Write the proportion equation
   55,621,128.70 : 76,757,322.94 = 30,843,061.13 : x
2. Step 2: Convert to fraction form
   55,621,128.70/76,757,322.94 = 30,843,061.13/x
3. Step 3: Cross multiply
   55,621,128.70x = 76,757,322.94 × 30,843,061.13
4. Step 4: Simplify right side
   55,621,128.70x = 2,367,430,803,613,571
5. Step 5: Solve for x
   x = 2,367,430,803,613,571/55,621,128.70
6. Step 6: Final answer
   x = 42,563,516.04