Finding the Fourth Proportional to 74,094.12, 102,259.62 and 42,255.72

Step by Step Solution

1. Step 1: Write the proportion equation
   74,094.12 : 102,259.62 = 42,255.72 : x
2. Step 2: Convert to fraction form
   74,094.12/102,259.62 = 42,255.72/x
3. Step 3: Cross multiply
   74,094.12x = 102,259.62 × 42,255.72
4. Step 4: Simplify right side
   74,094.12x = 4,321,053,870.03
5. Step 5: Solve for x
   x = 4,321,053,870.03/74,094.12
6. Step 6: Final answer
   x = 58,318.45