Finding the Fourth Proportional to 93,320.72, 140,039.40 and 37,916.72

Step by Step Solution

1. Step 1: Write the proportion equation
   93,320.72 : 140,039.40 = 37,916.72 : x
2. Step 2: Convert to fraction form
   93,320.72/140,039.40 = 37,916.72/x
3. Step 3: Cross multiply
   93,320.72x = 140,039.40 × 37,916.72
4. Step 4: Simplify right side
   93,320.72x = 5,309,834,718.77
5. Step 5: Solve for x
   x = 5,309,834,718.77/93,320.72
6. Step 6: Final answer
   x = 56,898.78