Finding the Fourth Proportional to 116,271,623.64, 160,454,767.52 and 64,060,658.78

Step by Step Solution

1. Step 1: Write the proportion equation
   116,271,623.64 : 160,454,767.52 = 64,060,658.78 : x
2. Step 2: Convert to fraction form
   116,271,623.64/160,454,767.52 = 64,060,658.78/x
3. Step 3: Cross multiply
   116,271,623.64x = 160,454,767.52 × 64,060,658.78
4. Step 4: Simplify right side
   116,271,623.64x = 10,278,838,111,402,642
5. Step 5: Solve for x
   x = 10,278,838,111,402,642/116,271,623.64
6. Step 6: Final answer
   x = 88,403,668.84