Finding the Fourth Proportional to 56,526, 78,008.31 and 31,375.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,526 : 78,008.31 = 31,375.50 : x
2. Step 2: Convert to fraction form
   56,526/78,008.31 = 31,375.50/x
3. Step 3: Cross multiply
   56,526x = 78,008.31 × 31,375.50
4. Step 4: Simplify right side
   56,526x = 2,447,549,730.41
5. Step 5: Solve for x
   x = 2,447,549,730.41/56,526
6. Step 6: Final answer
   x = 43,299.54