Finding the Fourth Proportional to 103,005.40, 142,073.98 and 94,534.82

Step by Step Solution

1. Step 1: Write the proportion equation
   103,005.40 : 142,073.98 = 94,534.82 : x
2. Step 2: Convert to fraction form
   103,005.40/142,073.98 = 94,534.82/x
3. Step 3: Cross multiply
   103,005.40x = 142,073.98 × 94,534.82
4. Step 4: Simplify right side
   103,005.40x = 13,430,938,125.98
5. Step 5: Solve for x
   x = 13,430,938,125.98/103,005.40
6. Step 6: Final answer
   x = 130,390.62