Finding the Fourth Proportional to 56,331, 77,715.32 and 37,219.86

Step by Step Solution

1. Step 1: Write the proportion equation
   56,331 : 77,715.32 = 37,219.86 : x
2. Step 2: Convert to fraction form
   56,331/77,715.32 = 37,219.86/x
3. Step 3: Cross multiply
   56,331x = 77,715.32 × 37,219.86
4. Step 4: Simplify right side
   56,331x = 2,892,553,144.16
5. Step 5: Solve for x
   x = 2,892,553,144.16/56,331
6. Step 6: Final answer
   x = 51,349.22