Finding the Fourth Proportional to 67,925.72, 93,718.32 and 42,457.91

Step by Step Solution

1. Step 1: Write the proportion equation
   67,925.72 : 93,718.32 = 42,457.91 : x
2. Step 2: Convert to fraction form
   67,925.72/93,718.32 = 42,457.91/x
3. Step 3: Cross multiply
   67,925.72x = 93,718.32 × 42,457.91
4. Step 4: Simplify right side
   67,925.72x = 3,979,083,368.10
5. Step 5: Solve for x
   x = 3,979,083,368.10/67,925.72
6. Step 6: Final answer
   x = 58,579.92