Finding the Fourth Proportional to 92,331.82, 138,450.30 and 42,368.91

Step by Step Solution

1. Step 1: Write the proportion equation
   92,331.82 : 138,450.30 = 42,368.91 : x
2. Step 2: Convert to fraction form
   92,331.82/138,450.30 = 42,368.91/x
3. Step 3: Cross multiply
   92,331.82x = 138,450.30 × 42,368.91
4. Step 4: Simplify right side
   92,331.82x = 5,865,988,300.17
5. Step 5: Solve for x
   x = 5,865,988,300.17/92,331.82
6. Step 6: Final answer
   x = 63,531.60