Finding the Fourth Proportional to 105,416,697.30, 145,476,527.76 and 60,737,976.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,416,697.30 : 145,476,527.76 = 60,737,976.72 : x
2. Step 2: Convert to fraction form
   105,416,697.30/145,476,527.76 = 60,737,976.72/x
3. Step 3: Cross multiply
   105,416,697.30x = 145,476,527.76 × 60,737,976.72
4. Step 4: Simplify right side
   105,416,697.30x = 8,835,949,956,393,313
5. Step 5: Solve for x
   x = 8,835,949,956,393,313/105,416,697.30
6. Step 6: Final answer
   x = 83,819,263.77