Finding the Fourth Proportional to 112,002,197.27, 154,597,193.61 and 64,971,155.93

Step by Step Solution

1. Step 1: Write the proportion equation
   112,002,197.27 : 154,597,193.61 = 64,971,155.93 : x
2. Step 2: Convert to fraction form
   112,002,197.27/154,597,193.61 = 64,971,155.93/x
3. Step 3: Cross multiply
   112,002,197.27x = 154,597,193.61 × 64,971,155.93
4. Step 4: Simplify right side
   112,002,197.27x = 10,044,358,372,375,710
5. Step 5: Solve for x
   x = 10,044,358,372,375,710/112,002,197.27
6. Step 6: Final answer
   x = 89,680,011.80