Finding the Fourth Proportional to 56,077.29, 77,384.51 and 30,926.79

Step by Step Solution

1. Step 1: Write the proportion equation
   56,077.29 : 77,384.51 = 30,926.79 : x
2. Step 2: Convert to fraction form
   56,077.29/77,384.51 = 30,926.79/x
3. Step 3: Cross multiply
   56,077.29x = 77,384.51 × 30,926.79
4. Step 4: Simplify right side
   56,077.29x = 2,393,254,490.02
5. Step 5: Solve for x
   x = 2,393,254,490.02/56,077.29
6. Step 6: Final answer
   x = 42,677.78