Finding the Fourth Proportional to 117,271,499.91, 161,834,607.14 and 64,348,555.07

Step by Step Solution

1. Step 1: Write the proportion equation
   117,271,499.91 : 161,834,607.14 = 64,348,555.07 : x
2. Step 2: Convert to fraction form
   117,271,499.91/161,834,607.14 = 64,348,555.07/x
3. Step 3: Cross multiply
   117,271,499.91x = 161,834,607.14 × 64,348,555.07
4. Step 4: Simplify right side
   117,271,499.91x = 10,413,823,128,649,188
5. Step 5: Solve for x
   x = 10,413,823,128,649,188/117,271,499.91
6. Step 6: Final answer
   x = 88,800,971.56