Finding the Fourth Proportional to 13,570,427.16, 18,726,947.82 and 7,458,854.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,570,427.16 : 18,726,947.82 = 7,458,854.04 : x
2. Step 2: Convert to fraction form
   13,570,427.16/18,726,947.82 = 7,458,854.04/x
3. Step 3: Cross multiply
   13,570,427.16x = 18,726,947.82 × 7,458,854.04
4. Step 4: Simplify right side
   13,570,427.16x = 139,681,570,404,076.20
5. Step 5: Solve for x
   x = 139,681,570,404,076.20/13,570,427.16
6. Step 6: Final answer
   x = 10,293,085.75