Finding the Fourth Proportional to 111,722,035.01, 154,173,990.57 and 64,681,091.96

Step by Step Solution

1. Step 1: Write the proportion equation
   111,722,035.01 : 154,173,990.57 = 64,681,091.96 : x
2. Step 2: Convert to fraction form
   111,722,035.01/154,173,990.57 = 64,681,091.96/x
3. Step 3: Cross multiply
   111,722,035.01x = 154,173,990.57 × 64,681,091.96
4. Step 4: Simplify right side
   111,722,035.01x = 9,972,142,061,898,342
5. Step 5: Solve for x
   x = 9,972,142,061,898,342/111,722,035.01
6. Step 6: Final answer
   x = 89,258,507.16