Finding the Fourth Proportional to 42,373,526.31, 63,560,879.96 and 12,081,389.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,373,526.31 : 63,560,879.96 = 12,081,389.31 : x
2. Step 2: Convert to fraction form
   42,373,526.31/63,560,879.96 = 12,081,389.31/x
3. Step 3: Cross multiply
   42,373,526.31x = 63,560,879.96 × 12,081,389.31
4. Step 4: Simplify right side
   42,373,526.31x = 767,903,735,682,937.25
5. Step 5: Solve for x
   x = 767,903,735,682,937.25/42,373,526.31
6. Step 6: Final answer
   x = 18,122,252.32