Finding the Fourth Proportional to 42,707,233.82, 64,071,774.78 and 12,415,096.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,707,233.82 : 64,071,774.78 = 12,415,096.82 : x
2. Step 2: Convert to fraction form
   42,707,233.82/64,071,774.78 = 12,415,096.82/x
3. Step 3: Cross multiply
   42,707,233.82x = 64,071,774.78 × 12,415,096.82
4. Step 4: Simplify right side
   42,707,233.82x = 795,457,287,145,988.12
5. Step 5: Solve for x
   x = 795,457,287,145,988.12/42,707,233.82
6. Step 6: Final answer
   x = 18,625,820.88