Finding the Fourth Proportional to 56,189.91, 77,541.83 and 31,039.41

Step by Step Solution

1. Step 1: Write the proportion equation
   56,189.91 : 77,541.83 = 31,039.41 : x
2. Step 2: Convert to fraction form
   56,189.91/77,541.83 = 31,039.41/x
3. Step 3: Cross multiply
   56,189.91x = 77,541.83 × 31,039.41
4. Step 4: Simplify right side
   56,189.91x = 2,406,852,653.52
5. Step 5: Solve for x
   x = 2,406,852,653.52/56,189.91
6. Step 6: Final answer
   x = 42,834.25