Finding the Fourth Proportional to 13,069,842.30, 19,562,773.05 and 9,290,706.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,069,842.30 : 19,562,773.05 = 9,290,706.30 : x
2. Step 2: Convert to fraction form
   13,069,842.30/19,562,773.05 = 9,290,706.30/x
3. Step 3: Cross multiply
   13,069,842.30x = 19,562,773.05 × 9,290,706.30
4. Step 4: Simplify right side
   13,069,842.30x = 181,751,978,821,105.25
5. Step 5: Solve for x
   x = 181,751,978,821,105.25/13,069,842.30
6. Step 6: Final answer
   x = 13,906,210.55