Finding the Fourth Proportional to 22,356,089.10, 33,492,799.35 and 12,742,911.90

Step by Step Solution

1. Step 1: Write the proportion equation
   22,356,089.10 : 33,492,799.35 = 12,742,911.90 : x
2. Step 2: Convert to fraction form
   22,356,089.10/33,492,799.35 = 12,742,911.90/x
3. Step 3: Cross multiply
   22,356,089.10x = 33,492,799.35 × 12,742,911.90
4. Step 4: Simplify right side
   22,356,089.10x = 426,795,791,401,427.31
5. Step 5: Solve for x
   x = 426,795,791,401,427.31/22,356,089.10
6. Step 6: Final answer
   x = 19,090,807.41