Finding the Fourth Proportional to 13,012,616.06, 19,523,003.31 and 7,830,879.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,012,616.06 : 19,523,003.31 = 7,830,879.56 : x
2. Step 2: Convert to fraction form
   13,012,616.06/19,523,003.31 = 7,830,879.56/x
3. Step 3: Cross multiply
   13,012,616.06x = 19,523,003.31 × 7,830,879.56
4. Step 4: Simplify right side
   13,012,616.06x = 152,882,287,570,091.31
5. Step 5: Solve for x
   x = 152,882,287,570,091.31/13,012,616.06
6. Step 6: Final answer
   x = 11,748,774.18