Finding the Fourth Proportional to 82,147,587.84, 123,219,722.88 and 28,293,707.52

Step by Step Solution

1. Step 1: Write the proportion equation
   82,147,587.84 : 123,219,722.88 = 28,293,707.52 : x
2. Step 2: Convert to fraction form
   82,147,587.84/123,219,722.88 = 28,293,707.52/x
3. Step 3: Cross multiply
   82,147,587.84x = 123,219,722.88 × 28,293,707.52
4. Step 4: Simplify right side
   82,147,587.84x = 3,486,342,799,862,172
5. Step 5: Solve for x
   x = 3,486,342,799,862,172/82,147,587.84
6. Step 6: Final answer
   x = 42,439,989.92