Finding the Fourth Proportional to 102,019.95, 152,900.01 and 57,671.37

Step by Step Solution

1. Step 1: Write the proportion equation
   102,019.95 : 152,900.01 = 57,671.37 : x
2. Step 2: Convert to fraction form
   102,019.95/152,900.01 = 57,671.37/x
3. Step 3: Cross multiply
   102,019.95x = 152,900.01 × 57,671.37
4. Step 4: Simplify right side
   102,019.95x = 8,817,953,049.71
5. Step 5: Solve for x
   x = 8,817,953,049.71/102,019.95
6. Step 6: Final answer
   x = 86,433.61