Finding the Fourth Proportional to 30,781,929.42, 42,478,405.56 and 16,843,230.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,781,929.42 : 42,478,405.56 = 16,843,230.72 : x
2. Step 2: Convert to fraction form
   30,781,929.42/42,478,405.56 = 16,843,230.72/x
3. Step 3: Cross multiply
   30,781,929.42x = 42,478,405.56 × 16,843,230.72
4. Step 4: Simplify right side
   30,781,929.42x = 715,473,585,464,810.75
5. Step 5: Solve for x
   x = 715,473,585,464,810.75/30,781,929.42
6. Step 6: Final answer
   x = 23,243,298.88