Finding the Fourth Proportional to 13,942,300.88, 19,232,607.12 and 12,955,892.60

Step by Step Solution

1. Step 1: Write the proportion equation
   13,942,300.88 : 19,232,607.12 = 12,955,892.60 : x
2. Step 2: Convert to fraction form
   13,942,300.88/19,232,607.12 = 12,955,892.60/x
3. Step 3: Cross multiply
   13,942,300.88x = 19,232,607.12 × 12,955,892.60
4. Step 4: Simplify right side
   13,942,300.88x = 249,175,592,264,715.31
5. Step 5: Solve for x
   x = 249,175,592,264,715.31/13,942,300.88
6. Step 6: Final answer
   x = 17,871,913.28