Finding the Fourth Proportional to 102,482.82, 152,705.42 and 91,303.60

Step by Step Solution

1. Step 1: Write the proportion equation
   102,482.82 : 152,705.42 = 91,303.60 : x
2. Step 2: Convert to fraction form
   102,482.82/152,705.42 = 91,303.60/x
3. Step 3: Cross multiply
   102,482.82x = 152,705.42 × 91,303.60
4. Step 4: Simplify right side
   102,482.82x = 13,942,554,585.51
5. Step 5: Solve for x
   x = 13,942,554,585.51/102,482.82
6. Step 6: Final answer
   x = 136,047.73