Finding the Fourth Proportional to 102,598.90, 141,588.86 and 64,360.06

Step by Step Solution

1. Step 1: Write the proportion equation
   102,598.90 : 141,588.86 = 64,360.06 : x
2. Step 2: Convert to fraction form
   102,598.90/141,588.86 = 64,360.06/x
3. Step 3: Cross multiply
   102,598.90x = 141,588.86 × 64,360.06
4. Step 4: Simplify right side
   102,598.90x = 9,112,666,849.16
5. Step 5: Solve for x
   x = 9,112,666,849.16/102,598.90
6. Step 6: Final answer
   x = 88,818.37