Finding the Fourth Proportional to 111,527.31, 166,941.05 and 58,776.87

Step by Step Solution

1. Step 1: Write the proportion equation
   111,527.31 : 166,941.05 = 58,776.87 : x
2. Step 2: Convert to fraction form
   111,527.31/166,941.05 = 58,776.87/x
3. Step 3: Cross multiply
   111,527.31x = 166,941.05 × 58,776.87
4. Step 4: Simplify right side
   111,527.31x = 9,812,272,099.63
5. Step 5: Solve for x
   x = 9,812,272,099.63/111,527.31
6. Step 6: Final answer
   x = 87,980.89