Finding the Fourth Proportional to 77,670,982, 107,185,735.46 and 42,863,423.56

Step by Step Solution

1. Step 1: Write the proportion equation
   77,670,982 : 107,185,735.46 = 42,863,423.56 : x
2. Step 2: Convert to fraction form
   77,670,982/107,185,735.46 = 42,863,423.56/x
3. Step 3: Cross multiply
   77,670,982x = 107,185,735.46 × 42,863,423.56
4. Step 4: Simplify right side
   77,670,982x = 4,594,347,578,612,091
5. Step 5: Solve for x
   x = 4,594,347,578,612,091/77,670,982
6. Step 6: Final answer
   x = 59,151,403.27