Finding the Fourth Proportional to 56,592.72, 78,099.26 and 31,100.67

Step by Step Solution

1. Step 1: Write the proportion equation
   56,592.72 : 78,099.26 = 31,100.67 : x
2. Step 2: Convert to fraction form
   56,592.72/78,099.26 = 31,100.67/x
3. Step 3: Cross multiply
   56,592.72x = 78,099.26 × 31,100.67
4. Step 4: Simplify right side
   56,592.72x = 2,428,939,157.00
5. Step 5: Solve for x
   x = 2,428,939,157.00/56,592.72
6. Step 6: Final answer
   x = 42,919.64