Finding the Fourth Proportional to 288,626,075.58, 432,895,369.51 and 78,553,131.62

Step by Step Solution

1. Step 1: Write the proportion equation
   288,626,075.58 : 432,895,369.51 = 78,553,131.62 : x
2. Step 2: Convert to fraction form
   288,626,075.58/432,895,369.51 = 78,553,131.62/x
3. Step 3: Cross multiply
   288,626,075.58x = 432,895,369.51 × 78,553,131.62
4. Step 4: Simplify right side
   288,626,075.58x = 34,005,286,936,741,280
5. Step 5: Solve for x
   x = 34,005,286,936,741,280/288,626,075.58
6. Step 6: Final answer
   x = 117,817,791.99