Finding the Fourth Proportional to 89,249,123.04, 133,272,679.56 and 72,886,866.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,249,123.04 : 133,272,679.56 = 72,886,866.42 : x
2. Step 2: Convert to fraction form
   89,249,123.04/133,272,679.56 = 72,886,866.42/x
3. Step 3: Cross multiply
   89,249,123.04x = 133,272,679.56 × 72,886,866.42
4. Step 4: Simplify right side
   89,249,123.04x = 9,713,827,992,525,184
5. Step 5: Solve for x
   x = 9,713,827,992,525,184/89,249,123.04
6. Step 6: Final answer
   x = 108,839,478.32