Finding the Fourth Proportional to 67,730.57, 93,513.86 and 42,275.71

Step by Step Solution

1. Step 1: Write the proportion equation
   67,730.57 : 93,513.86 = 42,275.71 : x
2. Step 2: Convert to fraction form
   67,730.57/93,513.86 = 42,275.71/x
3. Step 3: Cross multiply
   67,730.57x = 93,513.86 × 42,275.71
4. Step 4: Simplify right side
   67,730.57x = 3,953,364,826.34
5. Step 5: Solve for x
   x = 3,953,364,826.34/67,730.57
6. Step 6: Final answer
   x = 58,368.99