Finding the Fourth Proportional to 102,100.08, 152,994.24 and 42,903.48

Step by Step Solution

1. Step 1: Write the proportion equation
   102,100.08 : 152,994.24 = 42,903.48 : x
2. Step 2: Convert to fraction form
   102,100.08/152,994.24 = 42,903.48/x
3. Step 3: Cross multiply
   102,100.08x = 152,994.24 × 42,903.48
4. Step 4: Simplify right side
   102,100.08x = 6,563,985,315.96
5. Step 5: Solve for x
   x = 6,563,985,315.96/102,100.08
6. Step 6: Final answer
   x = 64,289.72