Finding the Fourth Proportional to 103,577.49, 142,947.90 and 63,314.82

Step by Step Solution

1. Step 1: Write the proportion equation
   103,577.49 : 142,947.90 = 63,314.82 : x
2. Step 2: Convert to fraction form
   103,577.49/142,947.90 = 63,314.82/x
3. Step 3: Cross multiply
   103,577.49x = 142,947.90 × 63,314.82
4. Step 4: Simplify right side
   103,577.49x = 9,050,720,557.88
5. Step 5: Solve for x
   x = 9,050,720,557.88/103,577.49
6. Step 6: Final answer
   x = 87,381.15