Finding the Fourth Proportional to 74,294.28, 102,533.31 and 42,457.10

Step by Step Solution

1. Step 1: Write the proportion equation
   74,294.28 : 102,533.31 = 42,457.10 : x
2. Step 2: Convert to fraction form
   74,294.28/102,533.31 = 42,457.10/x
3. Step 3: Cross multiply
   74,294.28x = 102,533.31 × 42,457.10
4. Step 4: Simplify right side
   74,294.28x = 4,353,266,483.33
5. Step 5: Solve for x
   x = 4,353,266,483.33/74,294.28
6. Step 6: Final answer
   x = 58,594.91