Finding the Fourth Proportional to 99,012.32, 148,303.35 and 60,945.56

Step by Step Solution

1. Step 1: Write the proportion equation
   99,012.32 : 148,303.35 = 60,945.56 : x
2. Step 2: Convert to fraction form
   99,012.32/148,303.35 = 60,945.56/x
3. Step 3: Cross multiply
   99,012.32x = 148,303.35 × 60,945.56
4. Step 4: Simplify right side
   99,012.32x = 9,038,429,974.11
5. Step 5: Solve for x
   x = 9,038,429,974.11/99,012.32
6. Step 6: Final answer
   x = 91,285.92