Finding the Fourth Proportional to 157,111.31, 235,703.86 and 51,930.27

Step by Step Solution

1. Step 1: Write the proportion equation
   157,111.31 : 235,703.86 = 51,930.27 : x
2. Step 2: Convert to fraction form
   157,111.31/235,703.86 = 51,930.27/x
3. Step 3: Cross multiply
   157,111.31x = 235,703.86 × 51,930.27
4. Step 4: Simplify right side
   157,111.31x = 12,240,164,368.23
5. Step 5: Solve for x
   x = 12,240,164,368.23/157,111.31
6. Step 6: Final answer
   x = 77,907.60