Finding the Fourth Proportional to 77,977,933.91, 107,609,574.83 and 42,697,970.36

Step by Step Solution

1. Step 1: Write the proportion equation
   77,977,933.91 : 107,609,574.83 = 42,697,970.36 : x
2. Step 2: Convert to fraction form
   77,977,933.91/107,609,574.83 = 42,697,970.36/x
3. Step 3: Cross multiply
   77,977,933.91x = 107,609,574.83 × 42,697,970.36
4. Step 4: Simplify right side
   77,977,933.91x = 4,594,710,435,792,004
5. Step 5: Solve for x
   x = 4,594,710,435,792,004/77,977,933.91
6. Step 6: Final answer
   x = 58,923,213.35