Finding the Fourth Proportional to 56,527.32, 78,010.38 and 31,377

Step by Step Solution

1. Step 1: Write the proportion equation
   56,527.32 : 78,010.38 = 31,377 : x
2. Step 2: Convert to fraction form
   56,527.32/78,010.38 = 31,377/x
3. Step 3: Cross multiply
   56,527.32x = 78,010.38 × 31,377
4. Step 4: Simplify right side
   56,527.32x = 2,447,731,693.26
5. Step 5: Solve for x
   x = 2,447,731,693.26/56,527.32
6. Step 6: Final answer
   x = 43,301.75