Finding the Fourth Proportional to 76,830,467.46, 106,028,569.79 and 42,023,156.77

Step by Step Solution

1. Step 1: Write the proportion equation
   76,830,467.46 : 106,028,569.79 = 42,023,156.77 : x
2. Step 2: Convert to fraction form
   76,830,467.46/106,028,569.79 = 42,023,156.77/x
3. Step 3: Cross multiply
   76,830,467.46x = 106,028,569.79 × 42,023,156.77
4. Step 4: Simplify right side
   76,830,467.46x = 4,455,655,210,384,056.50
5. Step 5: Solve for x
   x = 4,455,655,210,384,056.50/76,830,467.46
6. Step 6: Final answer
   x = 57,993,337.25