Finding the Fourth Proportional to 42,715,624.12, 58,931,291.28 and 31,578,858.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,715,624.12 : 58,931,291.28 = 31,578,858.52 : x
2. Step 2: Convert to fraction form
   42,715,624.12/58,931,291.28 = 31,578,858.52/x
3. Step 3: Cross multiply
   42,715,624.12x = 58,931,291.28 × 31,578,858.52
4. Step 4: Simplify right side
   42,715,624.12x = 1,860,982,909,732,029.75
5. Step 5: Solve for x
   x = 1,860,982,909,732,029.75/42,715,624.12
6. Step 6: Final answer
   x = 43,566,796.65