Finding the Fourth Proportional to 12,075,359.99, 18,067,333.55 and 7,154,034.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,075,359.99 : 18,067,333.55 = 7,154,034.86 : x
2. Step 2: Convert to fraction form
   12,075,359.99/18,067,333.55 = 7,154,034.86/x
3. Step 3: Cross multiply
   12,075,359.99x = 18,067,333.55 × 7,154,034.86
4. Step 4: Simplify right side
   12,075,359.99x = 129,254,333,917,840.73
5. Step 5: Solve for x
   x = 129,254,333,917,840.73/12,075,359.99
6. Step 6: Final answer
   x = 10,703,973.55