Finding the Fourth Proportional to 117,089,488.00, 161,583,683.38 and 64,157,784.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,089,488.00 : 161,583,683.38 = 64,157,784.50 : x
2. Step 2: Convert to fraction form
   117,089,488.00/161,583,683.38 = 64,157,784.50/x
3. Step 3: Cross multiply
   117,089,488.00x = 161,583,683.38 × 64,157,784.50
4. Step 4: Simplify right side
   117,089,488.00x = 10,366,851,137,253,836
5. Step 5: Solve for x
   x = 10,366,851,137,253,836/117,089,488.00
6. Step 6: Final answer
   x = 88,537,846.69