Finding the Fourth Proportional to 74,108.30, 102,259.82 and 42,275.30

Step by Step Solution

1. Step 1: Write the proportion equation
   74,108.30 : 102,259.82 = 42,275.30 : x
2. Step 2: Convert to fraction form
   74,108.30/102,259.82 = 42,275.30/x
3. Step 3: Cross multiply
   74,108.30x = 102,259.82 × 42,275.30
4. Step 4: Simplify right side
   74,108.30x = 4,323,064,568.45
5. Step 5: Solve for x
   x = 4,323,064,568.45/74,108.30
6. Step 6: Final answer
   x = 58,334.42