Finding the Fourth Proportional to 56,061.06, 84,124.53 and 51,731.34

Step by Step Solution

1. Step 1: Write the proportion equation
   56,061.06 : 84,124.53 = 51,731.34 : x
2. Step 2: Convert to fraction form
   56,061.06/84,124.53 = 51,731.34/x
3. Step 3: Cross multiply
   56,061.06x = 84,124.53 × 51,731.34
4. Step 4: Simplify right side
   56,061.06x = 4,351,874,663.77
5. Step 5: Solve for x
   x = 4,351,874,663.77/56,061.06
6. Step 6: Final answer
   x = 77,627.41