Finding the Fourth Proportional to 13,003,863.56, 19,478,651.74 and 7,799,969.55

Step by Step Solution

1. Step 1: Write the proportion equation
   13,003,863.56 : 19,478,651.74 = 7,799,969.55 : x
2. Step 2: Convert to fraction form
   13,003,863.56/19,478,651.74 = 7,799,969.55/x
3. Step 3: Cross multiply
   13,003,863.56x = 19,478,651.74 × 7,799,969.55
4. Step 4: Simplify right side
   13,003,863.56x = 151,932,890,447,054.50
5. Step 5: Solve for x
   x = 151,932,890,447,054.50/13,003,863.56
6. Step 6: Final answer
   x = 11,683,673.07