Finding the Fourth Proportional to 201,854,290.33, 278,559,042.69 and 109,034,839.18

Step by Step Solution

1. Step 1: Write the proportion equation
   201,854,290.33 : 278,559,042.69 = 109,034,839.18 : x
2. Step 2: Convert to fraction form
   201,854,290.33/278,559,042.69 = 109,034,839.18/x
3. Step 3: Cross multiply
   201,854,290.33x = 278,559,042.69 × 109,034,839.18
4. Step 4: Simplify right side
   201,854,290.33x = 30,372,640,421,838,908
5. Step 5: Solve for x
   x = 30,372,640,421,838,908/201,854,290.33
6. Step 6: Final answer
   x = 150,468,143.99