Finding the Fourth Proportional to 117,112,417.56, 161,615,556.99 and 64,902,341.52

Step by Step Solution

1. Step 1: Write the proportion equation
   117,112,417.56 : 161,615,556.99 = 64,902,341.52 : x
2. Step 2: Convert to fraction form
   117,112,417.56/161,615,556.99 = 64,902,341.52/x
3. Step 3: Cross multiply
   117,112,417.56x = 161,615,556.99 × 64,902,341.52
4. Step 4: Simplify right side
   117,112,417.56x = 10,489,228,074,710,004
5. Step 5: Solve for x
   x = 10,489,228,074,710,004/117,112,417.56
6. Step 6: Final answer
   x = 89,565,464.48