Finding the Fourth Proportional to 101,783.86, 140,461.59 and 56,468.71

Step by Step Solution

1. Step 1: Write the proportion equation
   101,783.86 : 140,461.59 = 56,468.71 : x
2. Step 2: Convert to fraction form
   101,783.86/140,461.59 = 56,468.71/x
3. Step 3: Cross multiply
   101,783.86x = 140,461.59 × 56,468.71
4. Step 4: Simplify right side
   101,783.86x = 7,931,685,179.18
5. Step 5: Solve for x
   x = 7,931,685,179.18/101,783.86
6. Step 6: Final answer
   x = 77,926.75