Finding the Fourth Proportional to 56,916.52, 78,544.92 and 31,422.93

Step by Step Solution

1. Step 1: Write the proportion equation
   56,916.52 : 78,544.92 = 31,422.93 : x
2. Step 2: Convert to fraction form
   56,916.52/78,544.92 = 31,422.93/x
3. Step 3: Cross multiply
   56,916.52x = 78,544.92 × 31,422.93
4. Step 4: Simplify right side
   56,916.52x = 2,468,111,743.90
5. Step 5: Solve for x
   x = 2,468,111,743.90/56,916.52
6. Step 6: Final answer
   x = 43,363.71