Finding the Fourth Proportional to 13,862,870.36, 19,129,477.18 and 7,667,783.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,862,870.36 : 19,129,477.18 = 7,667,783.72 : x
2. Step 2: Convert to fraction form
   13,862,870.36/19,129,477.18 = 7,667,783.72/x
3. Step 3: Cross multiply
   13,862,870.36x = 19,129,477.18 × 7,667,783.72
4. Step 4: Simplify right side
   13,862,870.36x = 146,680,693,692,915.50
5. Step 5: Solve for x
   x = 146,680,693,692,915.50/13,862,870.36
6. Step 6: Final answer
   x = 10,580,831.38