Finding the Fourth Proportional to 76,872,806.16, 106,084,469.25 and 42,065,499.51

Step by Step Solution

1. Step 1: Write the proportion equation
   76,872,806.16 : 106,084,469.25 = 42,065,499.51 : x
2. Step 2: Convert to fraction form
   76,872,806.16/106,084,469.25 = 42,065,499.51/x
3. Step 3: Cross multiply
   76,872,806.16x = 106,084,469.25 × 42,065,499.51
4. Step 4: Simplify right side
   76,872,806.16x = 4,462,496,189,254,485
5. Step 5: Solve for x
   x = 4,462,496,189,254,485/76,872,806.16
6. Step 6: Final answer
   x = 58,050,387.54