Finding the Fourth Proportional to 74,787,674.72, 112,221,009.30 and 53,068,398.71

Step by Step Solution

1. Step 1: Write the proportion equation
   74,787,674.72 : 112,221,009.30 = 53,068,398.71 : x
2. Step 2: Convert to fraction form
   74,787,674.72/112,221,009.30 = 53,068,398.71/x
3. Step 3: Cross multiply
   74,787,674.72x = 112,221,009.30 × 53,068,398.71
4. Step 4: Simplify right side
   74,787,674.72x = 5,955,389,265,171,018
5. Step 5: Solve for x
   x = 5,955,389,265,171,018/74,787,674.72
6. Step 6: Final answer
   x = 79,630,624.80