Finding the Fourth Proportional to 13,949,643, 19,258,399.98 and 9,059,238.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,949,643 : 19,258,399.98 = 9,059,238.84 : x
2. Step 2: Convert to fraction form
   13,949,643/19,258,399.98 = 9,059,238.84/x
3. Step 3: Cross multiply
   13,949,643x = 19,258,399.98 × 9,059,238.84
4. Step 4: Simplify right side
   13,949,643x = 174,466,445,095,071.22
5. Step 5: Solve for x
   x = 174,466,445,095,071.22/13,949,643
6. Step 6: Final answer
   x = 12,506,875.27