Finding the Fourth Proportional to 28,417,056.12, 42,615,002.34 and 10,216,284.84

Step by Step Solution

1. Step 1: Write the proportion equation
   28,417,056.12 : 42,615,002.34 = 10,216,284.84 : x
2. Step 2: Convert to fraction form
   28,417,056.12/42,615,002.34 = 10,216,284.84/x
3. Step 3: Cross multiply
   28,417,056.12x = 42,615,002.34 × 10,216,284.84
4. Step 4: Simplify right side
   28,417,056.12x = 435,367,002,362,706.56
5. Step 5: Solve for x
   x = 435,367,002,362,706.56/28,417,056.12
6. Step 6: Final answer
   x = 15,320,622.96