Finding the Fourth Proportional to 101,601.60, 152,377.89 and 42,405.18

Step by Step Solution

1. Step 1: Write the proportion equation
   101,601.60 : 152,377.89 = 42,405.18 : x
2. Step 2: Convert to fraction form
   101,601.60/152,377.89 = 42,405.18/x
3. Step 3: Cross multiply
   101,601.60x = 152,377.89 × 42,405.18
4. Step 4: Simplify right side
   101,601.60x = 6,461,611,853.47
5. Step 5: Solve for x
   x = 6,461,611,853.47/101,601.60
6. Step 6: Final answer
   x = 63,597.54