Finding the Fourth Proportional to 111,091,518.78, 166,637,831.76 and 45,548,457.36

Step by Step Solution

1. Step 1: Write the proportion equation
   111,091,518.78 : 166,637,831.76 = 45,548,457.36 : x
2. Step 2: Convert to fraction form
   111,091,518.78/166,637,831.76 = 45,548,457.36/x
3. Step 3: Cross multiply
   111,091,518.78x = 166,637,831.76 × 45,548,457.36
4. Step 4: Simplify right side
   111,091,518.78x = 7,590,096,174,483,213
5. Step 5: Solve for x
   x = 7,590,096,174,483,213/111,091,518.78
6. Step 6: Final answer
   x = 68,322,913.02