Finding the Fourth Proportional to 117,007,034.79, 161,474,783.69 and 64,796,070.46

Step by Step Solution

1. Step 1: Write the proportion equation
   117,007,034.79 : 161,474,783.69 = 64,796,070.46 : x
2. Step 2: Convert to fraction form
   117,007,034.79/161,474,783.69 = 64,796,070.46/x
3. Step 3: Cross multiply
   117,007,034.79x = 161,474,783.69 × 64,796,070.46
4. Step 4: Simplify right side
   117,007,034.79x = 10,462,931,461,166,518
5. Step 5: Solve for x
   x = 10,462,931,461,166,518/117,007,034.79
6. Step 6: Final answer
   x = 89,421,388.04