Finding the Fourth Proportional to 76,869,712.80, 106,082,583.12 and 42,063,870.24

Step by Step Solution

1. Step 1: Write the proportion equation
   76,869,712.80 : 106,082,583.12 = 42,063,870.24 : x
2. Step 2: Convert to fraction form
   76,869,712.80/106,082,583.12 = 42,063,870.24/x
3. Step 3: Cross multiply
   76,869,712.80x = 106,082,583.12 × 42,063,870.24
4. Step 4: Simplify right side
   76,869,712.80x = 4,462,244,011,083,695
5. Step 5: Solve for x
   x = 4,462,244,011,083,695/76,869,712.80
6. Step 6: Final answer
   x = 58,049,442.99