Finding the Fourth Proportional to 116,288,291.73, 160,470,611.86 and 64,074,405.45

Step by Step Solution

1. Step 1: Write the proportion equation
   116,288,291.73 : 160,470,611.86 = 64,074,405.45 : x
2. Step 2: Convert to fraction form
   116,288,291.73/160,470,611.86 = 64,074,405.45/x
3. Step 3: Cross multiply
   116,288,291.73x = 160,470,611.86 × 64,074,405.45
4. Step 4: Simplify right side
   116,288,291.73x = 10,282,059,047,127,220
5. Step 5: Solve for x
   x = 10,282,059,047,127,220/116,288,291.73
6. Step 6: Final answer
   x = 88,418,695.42