Finding the Fourth Proportional to 19,564,068.65, 29,351,782.71 and 7,886,413.59

Step by Step Solution

1. Step 1: Write the proportion equation
   19,564,068.65 : 29,351,782.71 = 7,886,413.59 : x
2. Step 2: Convert to fraction form
   19,564,068.65/29,351,782.71 = 7,886,413.59/x
3. Step 3: Cross multiply
   19,564,068.65x = 29,351,782.71 × 7,886,413.59
4. Step 4: Simplify right side
   19,564,068.65x = 231,480,297,998,618.50
5. Step 5: Solve for x
   x = 231,480,297,998,618.50/19,564,068.65
6. Step 6: Final answer
   x = 11,831,909.92