Finding the Fourth Proportional to 117,050,919.93, 161,528,108.31 and 64,838,809.98

Step by Step Solution

1. Step 1: Write the proportion equation
   117,050,919.93 : 161,528,108.31 = 64,838,809.98 : x
2. Step 2: Convert to fraction form
   117,050,919.93/161,528,108.31 = 64,838,809.98/x
3. Step 3: Cross multiply
   117,050,919.93x = 161,528,108.31 × 64,838,809.98
4. Step 4: Simplify right side
   117,050,919.93x = 10,473,290,321,140,948
5. Step 5: Solve for x
   x = 10,473,290,321,140,948/117,050,919.93
6. Step 6: Final answer
   x = 89,476,360.61