Finding the Fourth Proportional to 116,978,303.25, 161,435,103.01 and 64,767,338.93

Step by Step Solution

1. Step 1: Write the proportion equation
   116,978,303.25 : 161,435,103.01 = 64,767,338.93 : x
2. Step 2: Convert to fraction form
   116,978,303.25/161,435,103.01 = 64,767,338.93/x
3. Step 3: Cross multiply
   116,978,303.25x = 161,435,103.01 × 64,767,338.93
4. Step 4: Simplify right side
   116,978,303.25x = 10,455,722,032,089,802
5. Step 5: Solve for x
   x = 10,455,722,032,089,802/116,978,303.25
6. Step 6: Final answer
   x = 89,381,720.73