Finding the Fourth Proportional to 122,876.69, 184,359.40 and 42,926.47

Step by Step Solution

1. Step 1: Write the proportion equation
   122,876.69 : 184,359.40 = 42,926.47 : x
2. Step 2: Convert to fraction form
   122,876.69/184,359.40 = 42,926.47/x
3. Step 3: Cross multiply
   122,876.69x = 184,359.40 × 42,926.47
4. Step 4: Simplify right side
   122,876.69x = 7,913,898,253.32
5. Step 5: Solve for x
   x = 7,913,898,253.32/122,876.69
6. Step 6: Final answer
   x = 64,405.20