Finding the Fourth Proportional to 116,028,900.72, 160,120,029.96 and 63,818,037.36

Step by Step Solution

1. Step 1: Write the proportion equation
   116,028,900.72 : 160,120,029.96 = 63,818,037.36 : x
2. Step 2: Convert to fraction form
   116,028,900.72/160,120,029.96 = 63,818,037.36/x
3. Step 3: Cross multiply
   116,028,900.72x = 160,120,029.96 × 63,818,037.36
4. Step 4: Simplify right side
   116,028,900.72x = 10,218,546,054,071,600
5. Step 5: Solve for x
   x = 10,218,546,054,071,600/116,028,900.72
6. Step 6: Final answer
   x = 88,068,972.39