Finding the Fourth Proportional to 116,866,860.67, 161,275,071.95 and 64,656,270.00

Step by Step Solution

1. Step 1: Write the proportion equation
   116,866,860.67 : 161,275,071.95 = 64,656,270.00 : x
2. Step 2: Convert to fraction form
   116,866,860.67/161,275,071.95 = 64,656,270.00/x
3. Step 3: Cross multiply
   116,866,860.67x = 161,275,071.95 × 64,656,270.00
4. Step 4: Simplify right side
   116,866,860.67x = 10,427,444,595,462,250
5. Step 5: Solve for x
   x = 10,427,444,595,462,250/116,866,860.67
6. Step 6: Final answer
   x = 89,224,991.04