Finding the Fourth Proportional to 101,498.79, 152,145.05 and 42,366.63

Step by Step Solution

1. Step 1: Write the proportion equation
   101,498.79 : 152,145.05 = 42,366.63 : x
2. Step 2: Convert to fraction form
   101,498.79/152,145.05 = 42,366.63/x
3. Step 3: Cross multiply
   101,498.79x = 152,145.05 × 42,366.63
4. Step 4: Simplify right side
   101,498.79x = 6,445,872,827.85
5. Step 5: Solve for x
   x = 6,445,872,827.85/101,498.79
6. Step 6: Final answer
   x = 63,506.89