Finding the Fourth Proportional to 71,501,865.94, 107,318,555.93 and 55,431,090.10

Step by Step Solution

1. Step 1: Write the proportion equation
   71,501,865.94 : 107,318,555.93 = 55,431,090.10 : x
2. Step 2: Convert to fraction form
   71,501,865.94/107,318,555.93 = 55,431,090.10/x
3. Step 3: Cross multiply
   71,501,865.94x = 107,318,555.93 × 55,431,090.10
4. Step 4: Simplify right side
   71,501,865.94x = 5,948,784,543,157,720
5. Step 5: Solve for x
   x = 5,948,784,543,157,720/71,501,865.94
6. Step 6: Final answer
   x = 83,197,612.61