Finding the Fourth Proportional to 78,194.56, 107,908.51 and 42,384.46

Step by Step Solution

1. Step 1: Write the proportion equation
   78,194.56 : 107,908.51 = 42,384.46 : x
2. Step 2: Convert to fraction form
   78,194.56/107,908.51 = 42,384.46/x
3. Step 3: Cross multiply
   78,194.56x = 107,908.51 × 42,384.46
4. Step 4: Simplify right side
   78,194.56x = 4,573,643,925.75
5. Step 5: Solve for x
   x = 4,573,643,925.75/78,194.56
6. Step 6: Final answer
   x = 58,490.56