Finding the Fourth Proportional to 13,225,061.30, 19,813,097.55 and 7,528,363.70

Step by Step Solution

1. Step 1: Write the proportion equation
   13,225,061.30 : 19,813,097.55 = 7,528,363.70 : x
2. Step 2: Convert to fraction form
   13,225,061.30/19,813,097.55 = 7,528,363.70/x
3. Step 3: Cross multiply
   13,225,061.30x = 19,813,097.55 × 7,528,363.70
4. Step 4: Simplify right side
   13,225,061.30x = 149,160,204,379,978.94
5. Step 5: Solve for x
   x = 149,160,204,379,978.94/13,225,061.30
6. Step 6: Final answer
   x = 11,278,602.12