Finding the Fourth Proportional to 77,797,084.16, 107,359,710.72 and 42,988,805.12

Step by Step Solution

1. Step 1: Write the proportion equation
   77,797,084.16 : 107,359,710.72 = 42,988,805.12 : x
2. Step 2: Convert to fraction form
   77,797,084.16/107,359,710.72 = 42,988,805.12/x
3. Step 3: Cross multiply
   77,797,084.16x = 107,359,710.72 × 42,988,805.12
4. Step 4: Simplify right side
   77,797,084.16x = 4,615,265,681,881,655
5. Step 5: Solve for x
   x = 4,615,265,681,881,655/77,797,084.16
6. Step 6: Final answer
   x = 59,324,404.40