Finding the Fourth Proportional to 66,527.63, 91,823.55 and 43,870.71

Step by Step Solution

1. Step 1: Write the proportion equation
   66,527.63 : 91,823.55 = 43,870.71 : x
2. Step 2: Convert to fraction form
   66,527.63/91,823.55 = 43,870.71/x
3. Step 3: Cross multiply
   66,527.63x = 91,823.55 × 43,870.71
4. Step 4: Simplify right side
   66,527.63x = 4,028,364,333.22
5. Step 5: Solve for x
   x = 4,028,364,333.22/66,527.63
6. Step 6: Final answer
   x = 60,551.75