Finding the Fourth Proportional to 74,059.32, 102,199.33 and 42,238.47

Step by Step Solution

1. Step 1: Write the proportion equation
   74,059.32 : 102,199.33 = 42,238.47 : x
2. Step 2: Convert to fraction form
   74,059.32/102,199.33 = 42,238.47/x
3. Step 3: Cross multiply
   74,059.32x = 102,199.33 × 42,238.47
4. Step 4: Simplify right side
   74,059.32x = 4,316,742,612.04
5. Step 5: Solve for x
   x = 4,316,742,612.04/74,059.32
6. Step 6: Final answer
   x = 58,287.64