Finding the Fourth Proportional to 12,805,510.05, 19,208,297.61 and 5,232,475.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,805,510.05 : 19,208,297.61 = 5,232,475.80 : x
2. Step 2: Convert to fraction form
   12,805,510.05/19,208,297.61 = 5,232,475.80/x
3. Step 3: Cross multiply
   12,805,510.05x = 19,208,297.61 × 5,232,475.80
4. Step 4: Simplify right side
   12,805,510.05x = 100,506,952,403,522.83
5. Step 5: Solve for x
   x = 100,506,952,403,522.83/12,805,510.05
6. Step 6: Final answer
   x = 7,848,726.99