Finding the Fourth Proportional to 42,709,717.04, 64,075,488.69 and 12,417,580.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,709,717.04 : 64,075,488.69 = 12,417,580.04 : x
2. Step 2: Convert to fraction form
   42,709,717.04/64,075,488.69 = 12,417,580.04/x
3. Step 3: Cross multiply
   42,709,717.04x = 64,075,488.69 × 12,417,580.04
4. Step 4: Simplify right side
   42,709,717.04x = 795,662,509,410,189.62
5. Step 5: Solve for x
   x = 795,662,509,410,189.62/42,709,717.04
6. Step 6: Final answer
   x = 18,629,542.98