Finding the Fourth Proportional to 52,156.08, 78,195.24 and 31,374.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,156.08 : 78,195.24 = 31,374.72 : x
2. Step 2: Convert to fraction form
   52,156.08/78,195.24 = 31,374.72/x
3. Step 3: Cross multiply
   52,156.08x = 78,195.24 × 31,374.72
4. Step 4: Simplify right side
   52,156.08x = 2,453,353,760.33
5. Step 5: Solve for x
   x = 2,453,353,760.33/52,156.08
6. Step 6: Final answer
   x = 47,038.69