Finding the Fourth Proportional to 99,932.02, 137,889.82 and 59,090.47

Step by Step Solution

1. Step 1: Write the proportion equation
   99,932.02 : 137,889.82 = 59,090.47 : x
2. Step 2: Convert to fraction form
   99,932.02/137,889.82 = 59,090.47/x
3. Step 3: Cross multiply
   99,932.02x = 137,889.82 × 59,090.47
4. Step 4: Simplify right side
   99,932.02x = 8,147,974,272.02
5. Step 5: Solve for x
   x = 8,147,974,272.02/99,932.02
6. Step 6: Final answer
   x = 81,535.17