Finding the Fourth Proportional to 13,017,059.10, 19,522,089.45 and 3,919,139.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,017,059.10 : 19,522,089.45 = 3,919,139.10 : x
2. Step 2: Convert to fraction form
   13,017,059.10/19,522,089.45 = 3,919,139.10/x
3. Step 3: Cross multiply
   13,017,059.10x = 19,522,089.45 × 3,919,139.10
4. Step 4: Simplify right side
   13,017,059.10x = 76,509,784,077,192.50
5. Step 5: Solve for x
   x = 76,509,784,077,192.50/13,017,059.10
6. Step 6: Final answer
   x = 5,877,655.12