Finding the Fourth Proportional to 102,482.83, 152,705.41 and 91,303.61

Step by Step Solution

1. Step 1: Write the proportion equation
   102,482.83 : 152,705.41 = 91,303.61 : x
2. Step 2: Convert to fraction form
   102,482.83/152,705.41 = 91,303.61/x
3. Step 3: Cross multiply
   102,482.83x = 152,705.41 × 91,303.61
4. Step 4: Simplify right side
   102,482.83x = 13,942,555,199.53
5. Step 5: Solve for x
   x = 13,942,555,199.53/102,482.83
6. Step 6: Final answer
   x = 136,047.72