Finding the Fourth Proportional to 102,552.81, 141,483.42 and 64,245.69

Step by Step Solution

1. Step 1: Write the proportion equation
   102,552.81 : 141,483.42 = 64,245.69 : x
2. Step 2: Convert to fraction form
   102,552.81/141,483.42 = 64,245.69/x
3. Step 3: Cross multiply
   102,552.81x = 141,483.42 × 64,245.69
4. Step 4: Simplify right side
   102,552.81x = 9,089,699,941.46
5. Step 5: Solve for x
   x = 9,089,699,941.46/102,552.81
6. Step 6: Final answer
   x = 88,634.33