Finding the Fourth Proportional to 93,126.30, 139,726.86 and 42,549.30

Step by Step Solution

1. Step 1: Write the proportion equation
   93,126.30 : 139,726.86 = 42,549.30 : x
2. Step 2: Convert to fraction form
   93,126.30/139,726.86 = 42,549.30/x
3. Step 3: Cross multiply
   93,126.30x = 139,726.86 × 42,549.30
4. Step 4: Simplify right side
   93,126.30x = 5,945,280,084.20
5. Step 5: Solve for x
   x = 5,945,280,084.20/93,126.30
6. Step 6: Final answer
   x = 63,841.04