Finding the Fourth Proportional to 117,501,071.74, 162,155,128.94 and 64,576,819.06

Step by Step Solution

1. Step 1: Write the proportion equation
   117,501,071.74 : 162,155,128.94 = 64,576,819.06 : x
2. Step 2: Convert to fraction form
   117,501,071.74/162,155,128.94 = 64,576,819.06/x
3. Step 3: Cross multiply
   117,501,071.74x = 162,155,128.94 × 64,576,819.06
4. Step 4: Simplify right side
   117,501,071.74x = 10,471,462,421,209,350
5. Step 5: Solve for x
   x = 10,471,462,421,209,350/117,501,071.74
6. Step 6: Final answer
   x = 89,118,016.25