Finding the Fourth Proportional to 164,506,503.36, 227,015,111.52 and 91,166,070.72

Step by Step Solution

1. Step 1: Write the proportion equation
   164,506,503.36 : 227,015,111.52 = 91,166,070.72 : x
2. Step 2: Convert to fraction form
   164,506,503.36/227,015,111.52 = 91,166,070.72/x
3. Step 3: Cross multiply
   164,506,503.36x = 227,015,111.52 × 91,166,070.72
4. Step 4: Simplify right side
   164,506,503.36x = 20,696,075,711,341,008
5. Step 5: Solve for x
   x = 20,696,075,711,341,008/164,506,503.36
6. Step 6: Final answer
   x = 125,807,036.73