Finding the Fourth Proportional to 103,577.33, 142,947.69 and 63,314.66

Step by Step Solution

1. Step 1: Write the proportion equation
   103,577.33 : 142,947.69 = 63,314.66 : x
2. Step 2: Convert to fraction form
   103,577.33/142,947.69 = 63,314.66/x
3. Step 3: Cross multiply
   103,577.33x = 142,947.69 × 63,314.66
4. Step 4: Simplify right side
   103,577.33x = 9,050,684,510.07
5. Step 5: Solve for x
   x = 9,050,684,510.07/103,577.33
6. Step 6: Final answer
   x = 87,380.94